batoheldee



J. M. BATOHELDER 85 M. G. FARMER. MODE OF MAKING BATTERY CONNECTIONSWITH ELECTROMAGNETIC OOILS 0N TRAVELING GARRIAGBS 0E TELEGRAPHIGREGISTERS.

No 10,496. Patented Feb. 7, 1854.

UNITED STATES PATENT OFF CE.

J. M. BATOHELDER, on C MBRIDGE/Ann M. e. FARMER, ousALE MAss.

IMPROVEMENT IN THE MODE OF MAKING BATTERY CONNECTION WITH ANELECTRO-MAGNETIC COIL ON THE TRAVELING CARRIAGE OF A TELEGRAPHICREGISTER.

Specification forming part of Letters Patent No. [0,496, dated February7,1854.

To all whom it may concern:

Be it known that we, JOHN M. BATOHELDER, of Cambridge, in the county ofMiddlesex, and MOSES Gr. FARMER, of Salem, in the county of EssezgandState of Massachusetts, have invented anew and useful Improvement inElec tric Telegraphs or Telegraphic Registers for Reducing andPermanently Recording Telegraphic Signals; and we do hereby declare thatthe same is fully described and represented in the followingspecification and the accompanying drawings, letters, figures, and

- references thereof.

the carriage and thereoording-cylinder are produced, the said sectionbeing made 'to represent the main driving-gear on the crank-shaft Theoperative parts of the mechanism are supported, on a suitable base boardor table, A, at or near one end of which is placed the machinery thatgives motion to the traversin g platform or carriage B, and to therecordin g-cylinder O, the latter being arranged near the other end ofthe board A.

The train of wheel-work which operates-the platform and cylinder ismostly contained within a suitable frame, D, and should be soconstructed and arranged that when put in operation it may be capable ofgiving to such parts their proper movements, as will be here. inafterdescribed.

We generally move the platform or carriage" B on its rails F and Gaboutone-twelfth of an inch in the same time that the cylinder 0 is madeto perform one revolution. We do not,

however, confine our invention to such relative velocities of movementof the cylinder and carriage, as others may be adopted.

The rails F G beforementioned are arranged parallel to each other andmade to rest onland extend abovethe base-board A. The carriage 13,,bymeans of four or any other suitable numberof wheels, (t a, 850., is madeto rest and move on these .rails, which are 'constructed of such lengthas, to permit the carriage to traversca distance equal to the length .ofthe cylinder 0.

The carriage B supports an electro-magnet, E, that has an armature, I,placed in frontof its'poles and affixed to an arm, K, made to extendupward from a rocker-shaft, L, which is supported in bearings M Msituated on the top of the carriage. Another arm,N, projects upward fromthe sh aft L and supports a stylus or Wire, 0, which is pressed towardthe cylinder (J by the action of a spring, P, one end of which isattached to the lower partof the arm N, while the other is affixed to acord, Q, that is wound on a Windlass-pin, It, sustained by a standard orpost, S. By turning the Windlasspin so as to wind the cord on it the.stylus is pressed with greater force towards the cylinder, and,therefore, by means of the Windlasspin and cordthepressure of the stylusagainst a sheet of paper wrapped around the curved surface of thecylinder may be regulated. 7

Under the stylus a spirit-lamp, T,is placed, as seen in the drawings,its flame being directed upon the stylus so as to heat it while themachine is in operation. I

The cylinder or barrel 0 has itsjournals supported by two posts, U U.One end of it is covered around in a circular path with indjarubber,leather, or other equivalent, as seen at b. Against thisamilled wheel,V, is pressed by the action of a spring,'W, which is made to bearagainst a movable standard or arm, X, that sustains one end of thehorizontal shaft Y on which the wheel V is fixed. On

the other end of the shaftYis a spur geari, and a ratchet-wheel, k. Aspring-pawl, 1, apv plied to the side of the gear 9 engages with theratchet-wheel. A cord, m, is wound around the barrel '5, and has aweight attached to its lower end. I I

A fan-regulator, n, is aff xed on the top of a vertical shaft, 0,arranged as seen in the drawings. A pinion, 'p, on the shaft 0, is madeto engage with a toothed wheel, q, fixed on a shaft, 0', on which thereis a pinion, s, that is made to engage with the gear-wheel d.

A gear-wheel, t, is fixed on the inner end of the main shaft h, and ismade to engage with another gear-wheel, a, that is supported on theouter end of a rocker-arm, '0, which turns on the shaft h. A smallwheel, to, is attached to the wheel a, and is turned with and by'it andmade to rest on a rail, at, elevated on the platformor carriage B, asseen in the'drawings. The pressure of the wheel on the rail and the.OtiltlOllS of the wheel will cause the carriage :0 be moved on itsrailsin manner as required.

To the under side of the carriage B one end of a system of progressivelevers, y y, &c., is jointed or made to turn on a pin, 2, the other endof suchsystem being jointed to the baseboard A, or made to turn on apin, a the whole being arranged and applied together as seen in thedrawings.

A bottom view of the system of levers is shown in Fig. 4.Theirjoint-pins b 0 (H0 f g, 8.20., extend above the levers a shortdistance.

The battery or circuit wires N P are fastened, respectively, to thepins 1) c thence they both extend to and are wound around the pin (2thence they respectively extend to and are wound around the pins 0 fthence they are both wound around the pin and so they co'n tinue in theabove manner to be applied to all the joint-pins of the series. Finallythey are extended to and wound around the magnet or connected with itscoil in the usual way. By means of this contrivance, the wires areprevented from being kinked or getting under the wheels of the platformduring its movements. When the current of electricity is suffered toflow through the coil of the magnet the armature will be drawn towardsthe magnet, so as to cause the stylus or wire to be drawn away from thecylinder. As soon as the circuit is broken the stylus is returnedagainst or pressed towards the cylinder by the retractile power of thespring 1?.

Around the curved surface of the cylinder we place or wrap a sheet, h,of paper or other suitable material previously dyed or colored, orchemically prepared, or having a dyed surface capable of being eitherchanged in color or decolorized by the action of heat, or insteadthereof .weso prepare the surface of the cylinder, or apply to it such achemical or other preparation or solution, as will be capable of beingeither changed in color or decolorized by the action of heat. Many suchsolutions or chemical matters are known to chemists. The ordinary roseor pinlrcolored tissue-paper of commerce will generally be found to besuitably dyed or prepared for our purpose.

Besides changing the color or decolorizing A, a surface orchemically-prepared material, our

instrument is capable of producing marks or telegraphic signs byburning'or charringv apiece of paper or other proper material. In thisrespect it differs essentially from the electro-thermicor-e1ectro-caustic telegraph invented by- George H. Horn, and patentedon the 25th day of June, A. D. 1850, for in the latter a current ofelectricityoflowing through a stationary fine platina wire heats thewire to a burning or charring heat, whereas in our telegraphicinstruments the markingstylus or burning-wire is heated by a lamp orother means, and is moved towards and away from the paper.

In our invention ormachine the wire may be heated by a separate orsecondary current of electricity made to flow th rough it, such wirebeing moved or actuated by the agency of a main circuit. Thiscombination of parts dili'ers essentially from the electrothermictelegraph of the said Horn, for in Horns invention there is no movementof the stylus or wire toward or from the paper by the agency of anelectric or electromagnetic current. The

burning-wire of Horns telegraph is perfectly stationary, and isalternately heated and cooled during the passage of the paper over it.In

our instrument the wire when heated by an electric current is notalternately heated and cooled during its operation, but is constantlymaintained at a burning or charring heat or suitable temperature, and bymeans of a secondary battery and circuit which has no such connectionwith the primary circuit as a sec ondary and primary circuit must havewhen used in Horns invention. In this latter the primary electromagneticcircuit must be employed to close the secondary circuit; but in ourinvention it has no such connection with the secondary circuit, it beingindependent of it in its operation, and used either to draw the heatedstylus away from or towards the paper or cylinder as circumstances mayrequire.

Our invention difi'ers also from that wherein the telegraphic marks areproduced on paper or a dyed or chemically-prepared surface by v thedirect contact of the electric spark or current, or acid producedthereby, when the said spark or current is made to operate as it does inBains telegraph.

We do not confine our invention to the abovedescribed modes er machineryfor imparting to the platform 13 and the cylinder 0 their respectiveproper movements, as various other kinds of mechanism may be used forsuch pur pose.

At each end of the cylinder 0 a spring, i is attached, the same beingprovided with a lip, k ,which.is so bent as to rest upon and overlap theends of the sheet of paper h and confine the paper in place on thecylinder.

The paper we have found useful for our telegraphic instruments is knownin commerceby the name of English tissue paper, of which various colorsmay be used, but that which is of a pink shade we have found best adated to the purpose, as the discoloration produced by the heat of themarking-wire is of a yellow tint, and is distinctly seen on a pinkground.

It will be observed that the rotary motion of the cylinder and thehorizontal motion of the recording-wire cause the line of the marks anddots toassume a helical form. When the sheet of paper is unwrapped fromthe cylinder these lines will be parallel and may be read like commonwriting'that is, from left to right'and from the top to the bottom ofthe page or sheet.

To make the record, we prefer to employ the closed circuit in suchmanner as to cause it to draw the heated wire away from the paper, usinga. spring, or its equivalent, to carry the wire back and keep it up tothe paper.

In making the signals, we employ a breakcircuit key as in other electrictelegraphs. As the slightest contact of the heated wire with the paperis generally sufficient to produce either, a legible mark ordiscoloration, and as very little force is required to withdraw the wirefrom the paper, the circuit, generally speaking, will have ample powerto work the instrument without the intervention of alocal or secondarycircuit, and a magnetic connection of the two, such as will enable theprimary circuit to close the local or secondary one.

In our invention the working-wire may be held back or drawn from thepaper by the action of a spring, or its equivalent, and brought orforced in contact with it by the action of the electromagnetic circuit;and we would also remark that instead of an electro-magnet andarmatuve'to work the heated. wire a defiectin g needle and coil may beemployed.

.7 Fromthe above it will be seen that'a principle of our invention isthe application of a heated wire to a chemically-prepared paper or dyedsurface, substantially as specified, so as to produce telegraphicmarksor signals either by the simple change of color or decolorizationof such paper or surface without buring into or through it, as does theelectro-thermic or electro-caustic telegraph of Horn; also, that it is aprinciple of our'invention to produce such mark or marks by charring orburning into a surface, or through paper or other proper substitute bythe employment of a heated wire, and by an electromagnetic circuit,makin g it movable toward or away from the moving .paper or substanceonwhich the marks are to bemade.

We claim- The combination of the system of progressive levers with thebattery-wires, the baseboard, and movable platform, so as to operatesubstantially as specified and for the purpose set forth.

In testimony whereof we have hereto set our signatures this 8th day ofFebruary, A. D.

JOHN M. BATOHELDER: MOSES G. FARMER.

Witnesses:

R. H. EDDY, JOHN NOBL

